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Change: Clear last variant when engine becomes unavailable.

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This commit is contained in:
Peter Nelson 2022-12-06 17:28:28 +00:00 committed by PeterN
parent d7f561a400
commit c11db7d593
1 changed files with 15 additions and 0 deletions
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15
src/engine.cpp
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@ -562,6 +562,18 @@ static bool IsWagon(EngineID index)
return e->type == VEH_TRAIN && e->u.rail.railveh_type == RAILVEH_WAGON;
}
/**
* Ensure engine is not set as the last used variant for any other engine.
* @param engine_id Engine being removed.
* @param type Type of engine.
*/
static void ClearLastVariant(EngineID engine_id, VehicleType type)
{
for (Engine *e : Engine::IterateType(type)) {
if (e->display_last_variant == engine_id) e->display_last_variant = INVALID_ENGINE;
}
}
/**
* Update #Engine::reliability and (if needed) update the engine GUIs.
* @param e %Engine to update.
@ -577,6 +589,7 @@ static void CalcEngineReliability(Engine *e)
if (retire_early != 0 && age >= retire_early_max_age) {
/* Early retirement is enabled and we're past the date... */
e->company_avail = 0;
ClearLastVariant(e->index, e->type);
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
}
@ -597,6 +610,7 @@ static void CalcEngineReliability(Engine *e)
e->company_avail = 0;
e->reliability = e->reliability_final;
/* Kick this engine out of the lists */
ClearLastVariant(e->index, e->type);
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
SetWindowClassesDirty(WC_BUILD_VEHICLE); // Update to show the new reliability
@ -750,6 +764,7 @@ static void DisableEngineForCompany(EngineID eid, CompanyID company)
}
if (company == _local_company) {
ClearLastVariant(e->index, e->type);
AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
}
}